A young and penniless writer, Kif Kehlmann, is rung in the middle of the night by the notorious con man and corporate criminal, Siegfried Heidl. About to go to trial for defrauding the banks of $700 million, Heidl proposes a deal: $10,000 for Kehlmann to ghostwrite his memoir in six weeks. Kehlmann accepts but begins to fear that he is being corrupted by Heidl. As the deadline draws closer, he becomes ever more unsure if he is ghostwriting a memoir, or if Heidl is rewriting him?his life, his future. Everything that was certain grows uncertain as he begins to wonder: who is Siegfried Heidl?and who is Kif Kehlmann?